Finding the Fourth Proportional to 395,586.16, 593,415.72 and 129,348.04
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Solution
The fourth proportional to 395,586.16, 593,415.72 and 129,348.04 is: 194,033.99
Step by Step Solution
- Step 1: Write the proportion equation
395,586.16 : 593,415.72 = 129,348.04 : x - Step 2: Convert to fraction form
395,586.16/593,415.72 = 129,348.04/x - Step 3: Cross multiply
395,586.16x = 593,415.72 × 129,348.04 - Step 4: Simplify right side
395,586.16x = 76,757,160,287.19 - Step 5: Solve for x
x = 76,757,160,287.19/395,586.16 - Step 6: Final answer
x = 194,033.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.